Cyberdark Horn (CDIP-EN001) - Cyberdark Impact Unlimited

When this card is Normal Summoned, select 1 Level 3 or lower Dragon-Type monster in your Graveyard and equip it to this card. This card gains ATK equal to the equipped card''s ATK. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent. If this card would be destroyed by battle, the equipped monster is destroyed instead.